Check tinfo library presence and use it. (BUG#18912)

acinclude.m4:
  Check tinfo library presence and use it.

acinclude.m4

@@ -373,7 +373,8 @@ AC_CACHE_VAL(mysql_cv_termcap_lib,
 [AC_CHECK_LIB(ncurses, tgetent, mysql_cv_termcap_lib=libncurses,
     [AC_CHECK_LIB(curses, tgetent, mysql_cv_termcap_lib=libcurses,
 	[AC_CHECK_LIB(termcap, tgetent, mysql_cv_termcap_lib=libtermcap,
-	    mysql_cv_termcap_lib=NOT_FOUND)])])])
+	    [AC_CHECK_LIB(tinfo, tgetent, mysql_cv_termcap_lib=libtinfo,
+	      mysql_cv_termcap_lib=NOT_FOUND)])])])])
 AC_MSG_CHECKING(for termcap functions library)
 if test "$mysql_cv_termcap_lib" = "NOT_FOUND"; then
 AC_MSG_ERROR([No curses/termcap library found])
@@ -381,6 +382,8 @@ elif test "$mysql_cv_termcap_lib" = "libtermcap"; then
 TERMCAP_LIB=-ltermcap
 elif test "$mysql_cv_termcap_lib" = "libncurses"; then
 TERMCAP_LIB=-lncurses
+elif test "$mysql_cv_termcap_lib" = "libtinfo"; then
+TERMCAP_LIB=-ltinfo
 else
 TERMCAP_LIB=-lcurses
 fi